Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NA4FC callsign genealogy
Currently held by Slone, Derek A
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by NA4FC's current licensee, walking backwards.
- Slone, Derek AKYgranted 2023-05-02cancelled 2026-08-18
Successor callsigns
Callsigns held now by people who previously held NA4FC.
No current licensee on record previously held this callsign.